Inserting multiple employees Detail one by one

Question

Hi Friends,
 
Need help
 
I have a Grid which shows no's of employee in it
where ONE column has a check box and other are employee details column.
 
so when i check respective employee check box.
 
I should be able to fill their information one by one and update in a form designed below grid. and at last the record to be updated in grid.
 
Please help
 

Thanks and regards